SwimSet

A training companion for adult lap swimmers. The iPhone builds a structured pool session and sends it to an Apple Watch or a Garmin watch, which guides you through it with haptics and records the workout. Afterwards it compares what you planned with what you swam.

The watch runs the workout session and moves through sets using Apple's measured distance — it never guesses laps from motion. The session is stored on the watch, so it can be swum with no phone nearby, and the phone only reports it as sent once the watch confirms. Suggestions come from plain rules over HealthKit history and the swimmer's own effort answers, each showing its reasons. A separate Monkey C app covers Garmin watches.